./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive-simple/fibo_25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_25-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/fibo_25-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:17:56,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:17:56,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:17:56,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:17:56,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:17:56,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:17:56,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:17:56,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:17:56,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:17:56,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:17:56,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:17:56,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:17:56,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:17:56,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:17:56,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:17:56,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:17:56,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:17:56,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:17:56,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:17:56,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:17:56,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:17:56,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:17:56,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:17:56,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:17:56,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:17:56,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:17:56,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:17:56,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:17:56,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:17:56,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:17:56,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:17:56,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:17:56,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:17:56,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:17:56,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:17:56,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:17:56,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:17:56,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:17:56,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:17:56,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:17:56,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:17:56,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:17:56,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:17:56,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:17:56,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:17:56,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:17:56,749 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:17:56,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:17:56,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:17:56,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:17:56,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:17:56,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:17:56,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:17:56,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:17:56,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:17:56,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:17:56,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:17:56,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:17:56,759 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:17:56,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:17:56,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:17:56,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:17:56,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:17:56,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:17:56,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:17:56,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:17:56,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:17:56,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:17:56,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:17:56,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:17:56,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:17:56,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d [2019-11-24 21:17:57,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:17:57,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:17:57,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:17:57,416 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:17:57,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:17:57,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-24 21:17:57,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8b5b504/7e213491448443c89453bc610587950e/FLAGc296d050c [2019-11-24 21:17:58,632 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:17:58,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-24 21:17:58,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8b5b504/7e213491448443c89453bc610587950e/FLAGc296d050c [2019-11-24 21:17:58,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e8b5b504/7e213491448443c89453bc610587950e [2019-11-24 21:17:58,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:17:58,704 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:17:58,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:58,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:17:58,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:17:58,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6404b3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:58, skipping insertion in model container [2019-11-24 21:17:58,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:17:58" (1/1) ... [2019-11-24 21:17:58,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:17:58,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:17:59,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,248 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:17:59,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:17:59,297 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:17:59,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59 WrapperNode [2019-11-24 21:17:59,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:17:59,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:17:59,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:17:59,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:17:59,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:17:59,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:17:59,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:17:59" (1/1) ... [2019-11-24 21:17:59,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:17:59,519 INFO L168 Benchmark]: Toolchain (without parser) took 806.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,532 INFO L168 Benchmark]: CDTParser took 1.96 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.82 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.25 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:17:59,542 INFO L168 Benchmark]: Boogie Preprocessor took 117.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-24 21:17:59,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 590.82 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 82.25 ms. Allocated memory is still 1.0 GB. Free memory is still 950.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 21:18:03,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:18:03,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:18:03,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:18:03,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:18:03,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:18:03,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:18:03,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:18:03,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:18:03,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:18:03,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:18:03,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:18:03,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:18:03,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:18:03,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:18:03,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:18:03,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:18:03,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:18:03,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:18:03,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:18:03,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:18:03,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:18:03,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:18:03,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:18:03,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:18:03,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:18:03,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:18:03,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:18:03,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:18:03,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:18:03,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:18:03,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:18:03,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:18:03,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:18:03,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:18:03,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:18:03,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:18:03,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:18:03,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:18:03,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:18:03,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:18:03,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:18:03,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:18:03,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:18:03,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:18:03,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:18:03,602 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:18:03,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:18:03,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:18:03,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:18:03,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:18:03,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:18:03,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:18:03,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:18:03,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:18:03,608 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:18:03,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:18:03,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:18:03,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:18:03,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:18:03,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:18:03,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:18:03,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:18:03,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:18:03,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:18:03,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:18:03,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:18:03,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:18:03,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:18:03,617 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:18:03,617 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:18:03,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:18:03,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:18:03,620 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b393b370fa66ec1e490f3c4e8f8e64ccba5d0d [2019-11-24 21:18:04,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:18:04,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:18:04,233 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:18:04,238 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:18:04,242 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:18:04,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-24 21:18:04,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ef35588/a15f5567a59b4dc782c2464e12618e9e/FLAG6e8e9fc78 [2019-11-24 21:18:05,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:18:05,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/fibo_25-1.c [2019-11-24 21:18:05,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ef35588/a15f5567a59b4dc782c2464e12618e9e/FLAG6e8e9fc78 [2019-11-24 21:18:05,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ef35588/a15f5567a59b4dc782c2464e12618e9e [2019-11-24 21:18:05,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:18:05,581 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:18:05,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:05,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:18:05,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:18:05,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad4f9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:05, skipping insertion in model container [2019-11-24 21:18:05,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:18:05" (1/1) ... [2019-11-24 21:18:05,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:18:05,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:18:06,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,141 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:18:06,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:18:06,217 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:18:06,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06 WrapperNode [2019-11-24 21:18:06,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:18:06,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:18:06,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:18:06,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:18:06,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:18:06,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:18:06,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:18:06" (1/1) ... [2019-11-24 21:18:06,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:18:06,433 INFO L168 Benchmark]: Toolchain (without parser) took 835.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 996.9 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:06,435 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:06,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:06,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:18:06,444 INFO L168 Benchmark]: Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:18:06,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 635.86 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 955.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 955.8 MB in the beginning and 996.9 MB in the end (delta: -41.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...